.banner {
  padding: 20px;
  width: 100%;
  height: 500px;
  margin-bottom: 400px;
  transform: translate(0, 200px);
}
.banner .left {
  width: 50%;
  padding: 80px 50px;
  float: left;
}
.banner .left .title {
  color: #444950;
  font-size: 50px;
  opacity: 0;
  animation: upslope 0.8s 0.3s cubic-bezier(0.455, 0.03, 0.515, 0.955);
  animation-fill-mode: forwards;
}
.banner .left .title span {
  color: #007be2;
}
.banner .left .content {
  margin: 40px 0;
  color: #444950;
  font-size: 16px;
  opacity: 0;
  animation: upslope 0.8s 0.6s cubic-bezier(0.455, 0.03, 0.515, 0.955);
  line-height: 30px;
  animation-fill-mode: forwards;
}
.banner .left .btn {
  display: inline-block;
  width: 170px;
  height: 50px;
  background-image: linear-gradient(90deg, #0d94cc, #027ee0);
  color: #fff;
  border-radius: 10px;
  text-align: center;
  line-height: 50px;
  font-size: 18px;
  font-weight: 600;
  opacity: 0;
  animation: upslope 0.8s 0.8s cubic-bezier(0.455, 0.03, 0.515, 0.955);
  animation-fill-mode: forwards;
}
.banner .left .icon {
  margin-top: 70px;
  opacity: 0;
  animation: upslope 0.8s 1.2s cubic-bezier(0.455, 0.03, 0.515, 0.955);
  animation-fill-mode: forwards;
}
.banner .left .icon a {
  display: inline-block;
  margin-right: 15px;
}
.banner .left .icon .public {
  position: relative;
  display: inline-block;
  font-size: 20px;
  color: #07c160;
}
.banner .left .icon .public span {
  margin-left: 5px;
  font-size: 16px;
  color: #000;
}
.banner .left .icon .public .dropdown__menu {
  position: absolute;
  top: 20px;
  left: -53px;
  padding: 10px;
  width: 180px;
  border-radius: 10px;
  opacity: 0;
  transition: all 0.2s;
  transform: scale(0);
}
.banner .left .icon .public:hover > .dropdown__menu {
  opacity: 1;
  transform: scale(1);
}
.banner .right {
  float: left;
  width: 50%;
}
.banner .right img {
  width: 100%;
  height: 100%;
  animation: Starboard 0.8s;
}
main {
  width: 100%;
  height: 100%;
  margin-bottom: 80px;
}
main .title {
  text-align: center;
  font-size: 50px;
  font-weight: 600;
  margin-bottom: 80px;
}
main .title img {
  margin-left: 10px;
}
main .article_item {
  width: 100%;
  max-width: 917px;
  color: #000;
  margin: auto;
  margin-top: 80px;
  opacity: 0;
}
main .article_item .item_title {
  font-size: 28px;
}
main .article_item .item_title a:hover {
  color: #007be2;
}
main .article_item .info {
  width: 100%;
  height: 20px;
  display: flex;
}
main .article_item .info .class {
  margin-top: 15px;
  text-align: center;
  line-height: 20px;
  width: 80px;
  height: 20px;
  background: #e8f8ff;
  color: #007be2;
  font-size: 12px;
}
main .article_item .info .data {
  margin-top: 15px;
  margin-left: 15px;
  text-align: center;
  line-height: 20px;
  width: 80px;
  height: 20px;
  background: #e8f8ff;
  color: #007be2;
  font-size: 12px;
}
main .article_item .content {
  margin-top: 10px;
  padding: 30px 0;
  max-height: 400px;
  word-wrap: break-word;
  word-break: break-all;
  overflow: hidden;
  color: #545a5f;
}
main .article_item .content img {
  display: none;
  width: 100%;
  height: 100%;
  overflow: hidden;
}
main .article_item .btn {
  margin-top: 10px;
  width: 130px;
  height: 40px;
  background-image: linear-gradient(90deg, #0d94cc, #027ee0);
  text-align: center;
  line-height: 40px;
  font-size: 20px;
  color: #fff;
  font-weight: 600;
  border-radius: 5px;
}
.paging {
  width: 100%;
  height: 100%;
  max-width: 917px;
  height: 30px;
  margin: auto;
  margin-top: 30px;
}
.paging .next {
  display: none;
  float: right;
  padding-right: 15px;
  color: #027ee0;
  font-weight: 600;
}
.paging .previous {
  float: left;
  display: none;
  padding-left: 15px;
  color: #027ee0;
  font-weight: 600;
}
.article_item_anm {
  animation: anm 0.5s linear;
  animation-fill-mode: forwards;
}
@keyframes anm {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
